92147989 has 8 divisors (see below), whose sum is σ = 93657600. Its totient is φ = 90644400.

The previous prime is 92147983. The next prime is 92148047. The reversal of 92147989 is 98974129.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 92147989 - 2²¹ = 90050837 is a prime.

It is a super-3 number, since 3×92147989³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92147983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37212 + ... + 39610.

It is an arithmetic number, because the mean of its divisors is an integer number (11707200).

Almost surely, 2^92147989 is an apocalyptic number.

It is an amenable number.

92147989 is a deficient number, since it is larger than the sum of its proper divisors (1509611).

92147989 is a wasteful number, since it uses less digits than its factorization.

92147989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3011.

The product of its digits is 326592, while the sum is 49.

The square root of 92147989 is about 9599.3744066996. The cubic root of 92147989 is about 451.6776701219.

The spelling of 92147989 in words is "ninety-two million, one hundred forty-seven thousand, nine hundred eighty-nine".